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TUBES & PIPES: WELDED PIPES

ELECTRIC RESISTANCE WELDED (ERW)

ERW pipes are welded longitudinally, manufactured from strip & coil and can be manufactured up to 24" OD. It is mainly used for low and medium pressure applications, such as transportation of water & oil.

SPECIFICATIONS

  • Thickness: 2 to 12.7 mm

  • Outside Diameter: 12.7 to 610 mm

  • Lenght: 12 m

APPLICATIONS

  • Water pipelines

  • Automotive industry

  • Strong protection of cable

SPIRAL SUBMERGED ARC WELDED PIPES (SSAW)

The pipes are made from Hot-rolled coils which are welded in a spiral manner using a automatic method, call Submerged Arc welding. The advantage of such pipes is the ability to produce pipes in long lengths due to continuous raw material rolling ability.  

SPECIFICATIONS

  • Thickness: 9 to 25 mm

  • Outside Diameter: 400 to 3000 mm

  • Lenght: 80 m

  • Standard: EN, API, DIN, CSN, GOST 

APPLICATIONS

  • Foundation piling for building

  • Harbour construction

  • Water pipes

Unisteel-LONG_CARBON STEEL_Welded_pipes.

LONGITUDINAL SUBMERGED ARC WELDED PIPES ( LSAW)

LSAW are  made also from coils or plates, there is a limitation to the thickness it can be produced. Longitudinally welded pipes are able to achieve up to 80mm thickness. 

SPECIFICATIONS

  • Thickness: Max 80 mm

  • Outside Diameter: 400 to 1676.4 mm (OD66')

  • Lenght: up to 16 m

APPLICATIONS

  • Drainage pipes

  • Dredging pipes  

  • Mining pipes

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